Access Methods:  Smart Phone, Fingerprint, Password
Power Supply : 3 AAA Alkaline Batteries or 2 CR123A Batteris
Battery Life: Up to 12 Months (Unlock 10 times a Day)
Product Dimensions: L123mm*W73mm*H50.6mm
Shackle Dimensions: 36mm*36mm*10mm
Box Space: L98mm*W63mm*H25mm
Box Material: Aluminum Alloy 
Emergency Power Supply Interface:Type-C 
Operation Temperature:
3 x Alkaline AAA Batteries: -4 °F ~ 158 °F (-20°C to 70°C)
2 x CR123A Batteries: -40 °F ~ 158 °F(-40ºCto70ºC)